LM series horizontal five-axisturning and milling compoundmachining center LM400 product introductionShenyang baihang intelligent manufacturing research institute co., ltd1. General introductionShenyang Baihang Intelligent Manufacturing Research Institute Co., Ltd., as a professional manufacturer of turning and milling machining centers, has been committed to technical development and continuous technical improvement aimed at the special needs of users. LM400 series horizontal five-axis turning and milling compound machining center, as a highly compound product independently developed and designed by our company, can realize five-axis synchronous linkage machining in machining. It is a highly flexible machine tool that integrates the functions of turning, milling, drilling, boring and tapping.This series of machine tools is equipped with independent YB axis, which realizes the real turning and milling compound, and the machining is more flexible and complicated, with stronger rigidity and higher cutting efficiency. The double spindle structure avoids the influence of secondary clamping on processing time and accuracy, and further improves the processing efficiency and accuracy.The LM400 series horizontal five-axis turning and milling compound machining center adopts the integrated structure of machinery, electricity, liquid and gas, and the overall layout is compact and reasonable, which is convenient for maintenance and repair. The key outsourcingparts of this machine tool are selected from internationally renowned manufacturers to ensure the accuracy and reliability of the machine tool. The whole machine adopts a closed full-protection structure, which conforms to the principle of ergonomics, is pleasant and easy to operate.This machine tool can provide a more flexible, efficient and cost effective preferredsolution for the processing of high-precision complex parts in aerospace, marine, railway, automobile, printing, tools, energy and other general machinery industries.This machine tool can provide a more flexible, efficient and cost-effective preferred solution for the processing of high-precision complex parts in aerospace, marine, railway, automobile, printing, tools, energy and other general machinery industries. 2.design feature2.1. Integral bedThe lathe bed is integrally cast at 45 and cast with high-quality cast iron. The reasonable rib structure makes the stress distribution of the lathe bed uniform. The whole machine adopts a unique oil-water separation design to avoid the pollution of cutting fluid and prolong its servicelife. Z-axis guide rail adopts 45-gauge precision linear roller guide rail, which has high feed accuracy, small friction resistance, good rigidity and high vibration and deformation resistance, so that users can obtain higher machining accuracy and production efficiency.2.2. Turning spindleThe turning spindle adopts a large-span box spindle, and the joint surface between the spindle box and the lathe bed adopts a matching scraping and grinding process to ensure contact rigidity. The spindle bearings are imported precision spindle bearings, lubricated withprecision requirements of the spindle. The motor directly drives the spindle to rotate through the synchronous belt, and the hydraulic clamp realizes the spindle braking to ensure the indexing accuracy of the spindle C axis.2.3. upright postAs the main load-bearing structural part of the machine tool, the column adopts a unique honeycomb rib type as a whole, which has stronger load-bearing capacity. When the Y-axis moves, the servo motor drives the lead screw, which is completely perpendicular to the X-axis. The feeding movement of the Y-axis can be realized without interpolation, and the accuracy is better than that of the interpolationY-axis. In addition, the Y axis is equipped with a separate locking mechanism, which further improves the rigidity of the machine tool when cutting. 2.4. B axisThe function of axis B is to realize the rotation around the Y axis by the motor installed on the Y axis slide plate, which can stop directionally and interpolate with other axes to realize the functions of drilling oblique holes, milling inclined planes or milling complex curved surfaces. The three-toothed disc structure can ensure good accuracy and rigidity in B-axis machining.The B-axis system has the characteristics of fast indexing speed, high precision of repeated positioning and large allowable torque, which greatly strengthens the milling ability of this machine tool. The function of axis B is to drive the tool spindle to swing within the range of- 105 ~+ 120. Axis B has the following two working states:( 1) Drive the tool spindle to index every 7.5 degrees.Firstly, the positioning and locking cylinder moves to disengage the locking toothed disc, and rotates the B axis to an intege
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